//#[crate_name = "my_crate"]
fn main() {
    let b = Box::new(5);
    println!("b = {}", b);
    let s = String::from("asdfas");
    let ss = "1231231";
    cross_platform();
}

#[cfg(target_os = "macos")]
fn cross_platform() {
    println!("this is macos")
}

#[cfg(target_os = "windows")]
fn cross_platform() {
    println!("this is windows")
}
